Yes

you do need a jacket based on the weather in Culiacán, Sinaloa, Mexico 1 second ago

Why? Because it's not very warm out.
59°F15°C & Mostly Cloudy

Wind is 2 mph4 km/h from the E, gusting to 6 mph9 km/h
March 29
9am59°F15°C3 mph4 km/h EPartly Cloudy
10am62°F17°C3 mph4 km/h EPartly Cloudy
11am67°F19°C3 mph4 km/h SEPartly Cloudy
12pm73°F23°C3 mph5 km/h SMostly Clear
1pm79°F26°C4 mph7 km/h SClear
2pm84°F29°C6 mph9 km/h SClear
3pm87°F31°C7 mph12 km/h SWClear
4pm89°F32°C9 mph15 km/h SWClear
5pm90°F32°C10 mph16 km/h SWClear
6pm89°F32°C10 mph17 km/h SWClear
7pm86°F30°C10 mph16 km/h SWClear
8pm83°F28°C9 mph14 km/h SWClear
DateLowHighWindDayNight
March 2958°F15°C90°F32°C7 mph11 km/h from SWClearMostly Clear
March 3058°F15°C90°F32°C7 mph11 km/h from SWMostly CloudyMostly Cloudy
March 3162°F17°C88°F31°C7 mph11 km/h from SWMostly CloudyCloudy
April 163°F17°C86°F30°C6 mph10 km/h from WPartly CloudyClear
April 257°F14°C88°F31°C8 mph13 km/h from WClearClear
April 354°F12°C89°F31°C7 mph11 km/h from WClearClear
April 455°F13°C89°F32°C7 mph11 km/h from SWClearMostly Clear

Yes

Low of 58°F15°C, High of 90°F32°C
Wind: 7 mph11 km/h
Precipitation: None

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